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Mathematics 19 Online
OpenStudy (anonymous):

solve

OpenStudy (fifciol):

Let's look first at second equation. x+y=11 so y=11-x this line would meet x axis when y coordinate is zero. So 0=11-x x=11. That's trivial. But look now at first equation. try to determine y. It would be y=5/x . What can you tell me about the domain of that function?

OpenStudy (anonymous):

whenever 2 lines meet or intersect.. u got to solve them simultaneously in order to get their coodinates..

OpenStudy (mandre):

There's some confusion here. Do you need where the lines xy= 5 andx+y= 11 meet x-axis or where the lines xy= 5 andx+y= 11 meet People are giving different answers as they misinterpret what you want.

OpenStudy (mandre):

xy=5 does not meet the x-axis so I assume you want the last one? where the lines xy= 5 and x+y= 11 meet? xy = 5 is not strictly a line. It's a curve.

OpenStudy (mandre):

2 curves to be exact

Directrix (directrix):

Is this the question: Give the coordinates of the x-intercepts of the following: a) xy= 5 b) x + y = 11 Note: xy = 5 is not a line >>the respective coordinates of points where the lines

OpenStudy (mandre):

xy = 5 does not meet the x-axis x + y = 11 becomes y = 11 - x make y = 0 to see where it meets the x-axis

OpenStudy (mandre):

maybe you made a mistake and it's supposed to be x + y = 5?

OpenStudy (mandre):

I seriously think you are misreading the question.

OpenStudy (mandre):

Unless "does not touch the x-axis" (or the y-axis for that matter) is an acceptable answer.

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